Show data table
| 1980 | 940 | 1996 | 1,603 | 2012 | 1,978 |
| 1981 | 963 | 1997 | 1,608 | 2013 | 2,090 |
| 1982 | 927 | 1998 | 1,361 | 2014 | 2,116 |
| 1983 | 843 | 1999 | 1,414 | 2015 | 2,021 |
| 1984 | 819 | 2000 | 1,175 | 2016 | 2,081 |
| 1985 | 724 | 2001 | 1,109 | 2017 | 2,165 |
| 1986 | 627 | 2002 | 908 | 2018 | 2,325 |
| 1987 | 641 | 2003 | 896 | 2019 | 2,278 |
| 1988 | 709 | 2004 | 974 | 2020 | 2,119 |
| 1989 | 675 | 2005 | 1,118 | 2021 | 2,107 |
| 1990 | 811 | 2006 | 1,213 | 2022 | 1,945 |
| 1991 | 831 | 2007 | 1,329 | 2023 | 1,959 |
| 1992 | 951 | 2008 | 1,445 | 2024 | 2,022 |
| 1993 | 1,031 | 2009 | 1,461 | 2025 | 2,135 |
| 1994 | 1,340 | 2010 | 1,583 | 2026 | 2,258 |
| 1995 | 1,517 | 2011 | 1,824 | | |
Show data table
| 1980 | 780 | 1996 | 5,718 | 2012 | 14,546 |
| 1981 | 838 | 1997 | 5,978 | 2013 | 15,263 |
| 1982 | 901 | 1998 | 6,552 | 2014 | 15,607 |
| 1983 | 969 | 1999 | 6,839 | 2015 | 15,998 |
| 1984 | 1,043 | 2000 | 5,980 | 2016 | 16,538 |
| 1985 | 1,072 | 2001 | 5,853 | 2017 | 17,076 |
| 1986 | 1,092 | 2002 | 6,131 | 2018 | 18,490 |
| 1987 | 1,283 | 2003 | 6,727 | 2019 | 18,620 |
| 1988 | 1,476 | 2004 | 7,293 | 2020 | 17,401 |
| 1989 | 1,549 | 2005 | 8,418 | 2021 | 16,920 |
| 1990 | 2,051 | 2006 | 9,232 | 2022 | 15,862 |
| 1991 | 2,256 | 2007 | 10,172 | 2023 | 16,411 |
| 1992 | 2,786 | 2008 | 11,195 | 2024 | 17,097 |
| 1993 | 3,287 | 2009 | 11,765 | 2025 | 17,777 |
| 1994 | 4,411 | 2010 | 12,764 | 2026 | 18,802 |
| 1995 | 5,165 | 2011 | 13,936 | | |
Show data table
| 1980 | 16,485 | 1996 | 17,197 | 2012 | 14,531 |
| 1981 | 15,654 | 1997 | 16,575 | 2013 | 14,912 |
| 1982 | 14,892 | 1998 | 16,344 | 2014 | 14,709 |
| 1983 | 14,978 | 1999 | 15,844 | 2015 | 14,587 |
| 1984 | 14,539 | 2000 | 13,125 | 2016 | 15,028 |
| 1985 | 13,663 | 2001 | 11,687 | 2017 | 15,127 |
| 1986 | 13,242 | 2002 | 11,001 | 2018 | 15,186 |
| 1987 | 13,955 | 2003 | 11,361 | 2019 | 15,106 |
| 1988 | 13,741 | 2004 | 11,871 | 2020 | 14,306 |
| 1989 | 13,935 | 2005 | 12,377 | 2021 | 13,994 |
| 1990 | 13,762 | 2006 | 12,528 | 2022 | 13,369 |
| 1991 | 14,112 | 2007 | 12,631 | 2023 | 13,488 |
| 1992 | 15,402 | 2008 | 13,061 | 2024 | 13,633 |
| 1993 | 15,528 | 2009 | 13,088 | 2025 | 13,740 |
| 1994 | 16,287 | 2010 | 13,956 | 2026 | 13,863 |
| 1995 | 17,413 | 2011 | 14,584 | | |